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| Criterion |  Operations Visual Management |  Operations A3 Problem Solving |  Facilitation 3-Circle Venn Diagram |  Operations 5 Whys |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | Ongoing | 45-90 min | 15-45 min | 15-30 min |
Participantsdifferent | 1-20 | 2-5 | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | A3 Report, Action Plan, Root Cause Analysis | Venn Diagram, Overlap Notes, Differentiators | Root cause notes, Countermeasures |
Tagsno overlap | SignalsOperationsVisual management | LeanProblem solvingCoachingOperations | ComparisonFacilitationAlignment | Root causeIncidentLeanProblem solving |